Built-Up Roofing (BUR): A Complete Guide to Multi-Layer Roofing Systems
Built-up roofing, commonly known as BUR, is one of the oldest and most proven roofing systems used on flat and low-slope buildings. Despite the emergence of modern single-ply membranes, built-up roofing remains a reliable option for commercial and industrial properties that require durability, redundancy, and long service life. This guide explains what built-up roofing is, …
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